Abbreviations that start with the letter: S (20234 entries)

		S-1	First Sacral Vertebra	Medical » Physiology
		S-2	Second Sacral Vertebra	Medical » Physiology
		S-5	'Army's Civilian Affairs Unit'	International » Guatemalan
		S-A	Sinoatrial Node	Medical » Physiology
		S-B	Soviet-Bloc	Governmental » FBI Files
		S-HTTP	Secure Hyper Text Transfer Protocol	Governmental » Military
		S-K	Saltonstall- Kennedy Promote and Develop American Fisheries Bill	Academic & Science » Ocean Science
		S-M	IEEE Software [Magazine]	Academic & Science » IEEE
		S-VHS	Super Video Home System	Community » Media
		S.	Sayfa	International » Turkish
New:  We also know Zip Codes FYI!